.login_box {
    width: 100vw;
    height: 100vh;
    position: relative;
    .login_background {
        display: block;
        width: 100vw;
        height: 100vh;
        position: fixed;
        z-index: -1;
    }
    .mark{
        width: 260px;
        height: 200px;
        position: absolute;
        right: 20%;
        top: 30%;
        background: #fff;
        border-radius: 20px;
        h2{
            border-radius: 20px 20px 0 0;
            height: 40px;
            display: flex;
            justify-content: center;
            align-items: center;
            color: cadetblue;font-weight: bold;
            background: #eee ;
            box-shadow:  0 0 3px  #ccc;
        }
        display: flex;
        flex-direction: column;
        div{ 
            display: flex;
            width: 100%;
            padding: 0 10px;
            height: 30px;
            margin: 10px 0;
            border-bottom: 1px dashed #ccc;
            input{
                padding-left: 20px;
                border: none;
                background: none;
                outline: none;
            }
        }
        button{
            width: 100px;
            height: 35px;
            background: skyblue;
            color: #fff;
            border: none;
            outline: none;
            margin: 0 auto;
        }
        span{
           
            cursor: pointer;
            position: absolute;
            bottom: 3px;
            right: 20px;
            
        }
    }
}